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Cytogenetic and phytochemical investigations in hybrids of MacaronesianDryopteris (Pteridophyta: Aspidiaceae)

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Abstract

The cytology and phloroglucinol composition of wild and synthesized hybrids of MacaronesianDryopteris species have been examined. Both cytological and chemical evidence suggest that the tetraploidD. guanchica has arisen from the diploid speciesD. aemula andD. maderensis by hybridization and chromosome doubling. However, the formation of the characteristic fully aromatic compounds inD. aemula appears to be suppressed in most of the hybrids involving this species, and inD. guanchica.

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Authors and Affiliations

  1. British Museum (Natural History), Cromwell Road, SW 7 5 BD, London, England

    Mary Gibby

  2. Institute of Pharmaceutical Chemistry, University of Kuopio, 70101, Kuopio 10, Finland

    C. -J. Widén & Hely Katriina Widén

Authors
  1. Mary Gibby
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  2. C. -J. Widén
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  3. Hely Katriina Widén
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Gibby, M., Widén, C.J. & Widén, H.K. Cytogenetic and phytochemical investigations in hybrids of MacaronesianDryopteris (Pteridophyta: Aspidiaceae). Pl Syst Evol 130, 235–252 (1978). https://doi.org/10.1007/BF00982808

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  • DOI: https://doi.org/10.1007/BF00982808

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